Janatha Withanachchi, DDS
Endodontics · South Orange, NJ
Janatha Withanachchi, DDS is an endodontics with a practice address in South Orange, New Jersey, and NPI 1134385016, issued on Jul 31, 2008. Check the license with the New Jersey board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Janatha Withanachchi
- Credential
- DDS
- Primary taxonomy
- Endodontics 1223E0200X
- Practice location
- 71 Valley St Ste 100, South Orange, NJ 07079
- Phone
- (862) 250-6952
- Enumerated
- Jul 31, 2008
- Entity
- Type 1 · individual
Verify Janatha Withanachchi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New Jersey board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
52% fewer Medicare Part D claims than the average endodontics in 2024
60 Medicare Part D claims for 41 beneficiaries, against an average of 124 among the 3,574 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin27 claims
- Ibuprofen21 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Endodontics providers in New Jersey
There are 215 endodontics records in New Jersey.
Other endodontics records in New Jersey
- Nicholas Addiego, DMDShip Bottom, NJ1831312529
- Caroline Ahn, DMDRidgefield, NJ1295997161
- Thomas Allen, D.D.S.Fort Lee, NJ1649326307
- Arthur Alperstein, DDSVineland, NJ1306903703
- Eileen Andrejczak-Hansen, DMDKinnelon, NJ1699983817
- Robert Angelica, D.D.S.Bayonne, NJ1407997349
- Fabio Apolito, DMDOcean, NJ1972601995
- Neal Appelstein, DMDWillingboro, NJ1093780041
- John Archible, D.M.D.Freehold, NJ1558405076
- Lauren Archible, DMDAnnandale, NJ1629280698
Common questions
What is Janatha Withanachchi, DDS's NPI number?
Janatha Withanachchi, DDS's National Provider Identifier (NPI) is 1134385016, issued on Jul 31, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Janatha Withanachchi, DDS located?
The NPPES record lists a practice address at 71 Valley St Ste 100, South Orange, NJ, 07079. Phone: (862) 250-6952. Providers update this record themselves, so call before visiting.
How can I verify Janatha Withanachchi, DDS's license?
Search the New Jersey board that licenses this profession; the NPPES record confirms identity only.
How much does Janatha Withanachchi, DDS prescribe under Medicare Part D?
In 2024, Janatha Withanachchi, DDS had 60 Medicare Part D claims for 41 beneficiaries; the average among endodontics prescribers was 124. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.